/**
 * DynamicReports - Free Java reporting library for creating reports dynamically
 *
 * Copyright (C) 2010 - 2012 Ricardo Mariaca
 * http://dynamicreports.sourceforge.net
 *
 * This file is part of DynamicReports.
 *
 * DynamicReports is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * DynamicReports is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with DynamicReports. If not, see <http://www.gnu.org/licenses/>.
 */

package yunquan.wang.test.base.report;

import static net.sf.dynamicreports.report.builder.DynamicReports.cht;
import static net.sf.dynamicreports.report.builder.DynamicReports.cmp;
import static net.sf.dynamicreports.report.builder.DynamicReports.col;
import static net.sf.dynamicreports.report.builder.DynamicReports.grp;
import static net.sf.dynamicreports.report.builder.DynamicReports.report;
import static net.sf.dynamicreports.report.builder.DynamicReports.sbt;
import static net.sf.dynamicreports.report.builder.DynamicReports.stl;
import static net.sf.dynamicreports.report.builder.DynamicReports.type;

import java.math.BigDecimal;
import java.util.Date;

import net.sf.dynamicreports.jasper.builder.JasperReportBuilder;
import net.sf.dynamicreports.report.builder.chart.Bar3DChartBuilder;
import net.sf.dynamicreports.report.builder.chart.PieChartBuilder;
import net.sf.dynamicreports.report.builder.chart.TimeSeriesChartBuilder;
import net.sf.dynamicreports.report.builder.column.PercentageColumnBuilder;
import net.sf.dynamicreports.report.builder.column.TextColumnBuilder;
import net.sf.dynamicreports.report.builder.group.ColumnGroupBuilder;
import net.sf.dynamicreports.report.builder.style.FontBuilder;
import net.sf.dynamicreports.report.builder.subtotal.AggregationSubtotalBuilder;
import net.sf.dynamicreports.report.constant.Orientation;
import net.sf.dynamicreports.report.exception.DRException;
import yunquan.wang.base.report.Templates;

/**
 * @author Ricardo Mariaca (dynamicreports@gmail.com)
 */
public class SalesDesign {
	private SalesData data = new SalesData();

	public JasperReportBuilder build() throws DRException {
		JasperReportBuilder report = report();

		//init styles
		FontBuilder  boldFont = stl.fontArialBold();

		//init columns
		TextColumnBuilder<String> stateColumn = col.column("State", "state", type.stringType());
		TextColumnBuilder<String> itemColumn = col.column("Item", "item", type.stringType()).setPrintRepeatedDetailValues(false);
		TextColumnBuilder<Date> orderDateColumn = col.column("Order date", "orderdate", type.dateType());
		TextColumnBuilder<Integer> quantityColumn = col.column("Quantity", "quantity", type.integerType());
		TextColumnBuilder<BigDecimal> unitPriceColumn = col.column("Unit price", "unitprice", Templates.currencyType);
		//price = unitPrice * quantity
		TextColumnBuilder<BigDecimal> priceColumn = unitPriceColumn.multiply(quantityColumn).setTitle("Price")
			.setDataType(Templates.currencyType);
		PercentageColumnBuilder pricePercColumn = col.percentageColumn("Price %", priceColumn);

		//init groups
		ColumnGroupBuilder stateGroup = grp.group(stateColumn);

		//init subtotals
		AggregationSubtotalBuilder<Number> priceAvg = sbt.avg(priceColumn)
			.setValueFormatter(Templates.createCurrencyValueFormatter("avg = "));
		AggregationSubtotalBuilder<BigDecimal> unitPriceSum = sbt.sum(unitPriceColumn)
			.setLabel("Total:")
			.setLabelStyle(Templates.boldStyle);
		AggregationSubtotalBuilder<BigDecimal> priceSum = sbt.sum(priceColumn)
			.setLabel("")
			.setLabelStyle(Templates.boldStyle);

		//init charts
		Bar3DChartBuilder itemChart = cht.bar3DChart()
			.setTitle("Sales by item")
			.setTitleFont(boldFont)
			.setOrientation(Orientation.HORIZONTAL)
			.setCategory(itemColumn)
			.addSerie(
				cht.serie(unitPriceColumn), cht.serie(priceColumn));
		TimeSeriesChartBuilder dateChart = cht.timeSeriesChart()
			.setTitle("Sales by date")
			.setTitleFont(boldFont)
			.setFixedHeight(150)
			.setTimePeriod(orderDateColumn)
			.addSerie(
				cht.serie(unitPriceColumn), cht.serie(priceColumn));
		PieChartBuilder stateChart = cht.pieChart()
			.setTitle("Sales by state")
			.setTitleFont(boldFont)
			.setFixedHeight(100)
			.setShowLegend(false)
			.setKey(stateColumn)
			.addSerie(
				cht.serie(priceColumn));

		//configure report
		report
			.setTemplate(Templates.reportTemplate)
			//columns
			.columns(
				stateColumn, itemColumn, orderDateColumn, quantityColumn, unitPriceColumn, priceColumn, pricePercColumn)
			//groups
			.groupBy(stateGroup)
			//subtotals
			.subtotalsAtFirstGroupFooter(
				sbt.sum(unitPriceColumn), sbt.sum(priceColumn))
			.subtotalsOfPercentageAtGroupFooter(stateGroup,
				sbt.percentage(priceColumn).setShowInColumn(pricePercColumn))
			.subtotalsAtSummary(
				unitPriceSum, priceSum, priceAvg)
			//band components
			.title(
				Templates.createTitleComponent("Sales"),
				cmp.horizontalList(
					itemChart, cmp.verticalList(dateChart, stateChart)),
				cmp.verticalGap(10))
			.pageFooter(
				Templates.footerComponent)
			.setDataSource(data.createDataSource());

		return report;
	}

	public static void main(String[] args) {
		SalesDesign design = new SalesDesign();
		try {
			JasperReportBuilder report = design.build();
			report.show();
		} catch (DRException e) {
			e.printStackTrace();
		}
	}
}